RATING AND CHARACTERISTICS CURVES ( MMBT3904 )
12
14
NF, NOISE FIGURE (dB)
NF, NOISE FIGURE (dB)
10
8
6
4
2
0
0.1
SOURCE RESISTANCE=200
W
I
C
=1.0mA
SOURCE RESISTANCE=200
W
I
C
=0.5mA
SOURCE RESISTANCE=1.0k
I
C
= 50uA
12
10
8
6
4
2
f = 1.0 kHz I =1.0mA
C
I
C
=0.5mA
I
C
= 50uA
I
C
= 100uA
SOURCE RESISTANCE=500
W
I
C
= 100uA
0.2
0.4
1.0
2.0
4.0
10
20
40
100
f, FREQUENCY (KHz)
0
0.1
0.2
0.4
1.0
2.0
4.0
10
20
40
100
RS, SOURCE RESISTANCE (KOHMS)
Figure 7.
hoe, OUTPUT ADMITTANCE (umhos)
300
100
50
20
10
5
2
1
Figure 8.
hfe, CURRENT GAIN
200
100
70
50
30
0.1
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
0.1
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
IC, COLLECTOR CURRENT (mA)
IC, COLLECTOR CURRENT(mA)
Figure 9. Current Gain
hre, VOLTAGE FEEDBACK RATIO (X 10-4)
20
10
7.0
5.0
3.0
2.0
Figure 10. Output Admittance
hie, INPUT IMPEDANCE (KOHMS)
10
5.0
2.0
1.0
0.5
0.2
0.1
1.0
0.7
0.5
0.1
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
0.2 0.3
0.5
1.0
2.0 3.0
5.0
10
IC, COLLECTOR CURRENT (mA)
IC, COLLECTOR CURRENT (mA)
Figure 11. Input Impedance
Figure 12.Voltage Feedback Ratio
RECTRON [ RECTRON SEMICONDUCTOR ]
